Commercial Time Sold for Up to $4 Million for 30 Seconds

Commercial time for next year's Super Bowl XLVIII is sold out, according to Fox network, which is televising the game, demonstrating how advertiser demand to reach the big game's huge TV audience remains one constant in the rapidly changing media landscape.

Ad prices have risen about 5% from this year's game, ad buyers say. Marketers are paying up to $4 million for 30 second spots, ad buyers say, up from $3.8 million that advertisers...